{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948733,-0.316080,0.000000,0.000000,0.176461,-0.529660,0.829652,0.000000,-0.261685,0.785464,0.560863,0.000000,-1670823.617696,5015079.387711,3557061.431576,1],    "boundingVolume": {    "region": [1.892343,0.595316,1.892439,0.595539,0.000000,8.794527]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180961.b3dm"}}}